FR2611368B1 - Procede de desoxydation d'un materiau de tantale - Google Patents

Procede de desoxydation d'un materiau de tantale

Info

Publication number
FR2611368B1
FR2611368B1 FR878715110A FR8715110A FR2611368B1 FR 2611368 B1 FR2611368 B1 FR 2611368B1 FR 878715110 A FR878715110 A FR 878715110A FR 8715110 A FR8715110 A FR 8715110A FR 2611368 B1 FR2611368 B1 FR 2611368B1
Authority
FR
France
Prior art keywords
deoxidation
tantalum material
tantalum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR878715110A
Other languages
English (en)
Other versions
FR2611368A1 (fr
Inventor
Robert Amos Hard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cabot Corp
Original Assignee
Cabot Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cabot Corp filed Critical Cabot Corp
Publication of FR2611368A1 publication Critical patent/FR2611368A1/fr
Application granted granted Critical
Publication of FR2611368B1 publication Critical patent/FR2611368B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052—Sintered electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/023—Hydrogen absorption
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • C22B34/24—Obtaining niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/006—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with use of an inert protective material including the use of an inert gas
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FR878715110A 1987-02-27 1987-10-30 Procede de desoxydation d'un materiau de tantale Expired - Fee Related FR2611368B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/020,111 US4722756A (en) 1987-02-27 1987-02-27 Method for deoxidizing tantalum material

Publications (2)

Publication Number Publication Date
FR2611368A1 FR2611368A1 (fr) 1988-09-02
FR2611368B1 true FR2611368B1 (fr) 1990-08-10

Family

ID=21796815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878715110A Expired - Fee Related FR2611368B1 (fr) 1987-02-27 1987-10-30 Procede de desoxydation d'un materiau de tantale

Country Status (6)

Country Link
US (1) US4722756A (fr)
JP (1) JPS63216901A (fr)
DE (1) DE3737016A1 (fr)
ES (1) ES2006217A6 (fr)
FR (1) FR2611368B1 (fr)
GB (1) GB2201427B (fr)

Families Citing this family (83)

* Cited by examiner, † Cited by third party
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DE3712281A1 (de) * 1987-04-10 1988-10-27 Heraeus Gmbh W C Verfahren zur herstellung von hochduktilem tantal-halbzeug
JPH01310527A (ja) * 1988-06-09 1989-12-14 Matsushita Electric Ind Co Ltd タンタル焼結体の製造方法
US5022935A (en) * 1988-09-23 1991-06-11 Rmi Titanium Company Deoxidation of a refractory metal
US4923531A (en) * 1988-09-23 1990-05-08 Rmi Company Deoxidation of titanium and similar metals using a deoxidant in a molten metal carrier
ES2020131A6 (es) * 1989-06-26 1991-07-16 Cabot Corp Procedimiento para la produccion de polvos de tantalo, niobio y sus aleaciones.
US5242481A (en) * 1989-06-26 1993-09-07 Cabot Corporation Method of making powders and products of tantalum and niobium
US4964906A (en) * 1989-09-26 1990-10-23 Fife James A Method for controlling the oxygen content of tantalum material
US5011742A (en) * 1989-09-26 1991-04-30 Fife James A Article for controlling the oxygen content in tantalum material
US4960471A (en) * 1989-09-26 1990-10-02 Cabot Corporation Controlling the oxygen content in tantalum material
US5284531A (en) * 1992-07-31 1994-02-08 Cabot Corporation Cylindrical metal fibers made from tantalum, columbium, and alloys thereof
EP0665302B1 (fr) * 1994-01-26 2000-05-03 H.C. Starck, INC. Procédé par l'obtention de poudres de nitrure de tantale
US5993513A (en) * 1996-04-05 1999-11-30 Cabot Corporation Method for controlling the oxygen content in valve metal materials
US6165623A (en) * 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
US5869196A (en) * 1996-12-20 1999-02-09 Composite Material Technology, Inc. Constrained filament electrolytic anode and process of fabrication
US6051326A (en) * 1997-04-26 2000-04-18 Cabot Corporation Valve metal compositions and method
US6051044A (en) 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
US6171363B1 (en) * 1998-05-06 2001-01-09 H. C. Starck, Inc. Method for producing tantallum/niobium metal powders by the reduction of their oxides with gaseous magnesium
WO2000067936A1 (fr) * 1998-05-06 2000-11-16 H.C. Starck, Inc. Poudres metalliques obtenues par reduction d'oxides au moyen de magnesium gazeux
DE19831280A1 (de) * 1998-07-13 2000-01-20 Starck H C Gmbh Co Kg Verfahren zur Herstellung von Erdsäuremetallpulvern, insbesondere Niobpulvern
US6462934B2 (en) 1998-09-16 2002-10-08 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
US6322912B1 (en) 1998-09-16 2001-11-27 Cabot Corporation Electrolytic capacitor anode of valve metal oxide
US6416730B1 (en) 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides
US6391275B1 (en) 1998-09-16 2002-05-21 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
DE19847012A1 (de) * 1998-10-13 2000-04-20 Starck H C Gmbh Co Kg Niobpulver und Verfahren zu dessen Herstellung
IL145498A (en) 1999-03-19 2005-05-17 Cabot Corp Making niobium and other metal powders by milling
US6558447B1 (en) * 1999-05-05 2003-05-06 H.C. Starck, Inc. Metal powders produced by the reduction of the oxides with gaseous magnesium
US6375704B1 (en) * 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
US6521173B2 (en) * 1999-08-19 2003-02-18 H.C. Starck, Inc. Low oxygen refractory metal powder for powder metallurgy
US6261337B1 (en) * 1999-08-19 2001-07-17 Prabhat Kumar Low oxygen refractory metal powder for powder metallurgy
US6576099B2 (en) 2000-03-23 2003-06-10 Cabot Corporation Oxygen reduced niobium oxides
JP2002060803A (ja) * 2000-08-10 2002-02-28 Showa Kyabotto Super Metal Kk 電解コンデンサ用タンタル焼結体の製造方法
KR20030020420A (ko) * 2000-08-10 2003-03-08 쇼와 덴코 가부시키가이샤 니오브분말, 그 소결체 및 그것을 사용한 콘덴서
DE10044450C1 (de) * 2000-09-08 2002-01-17 Epcos Ag Verfahren zur Herstellung einer Elektrode für Kondensatoren und zur Herstellung eines Kondensators
JP2002093666A (ja) * 2000-09-20 2002-03-29 Showa Denko Kk ニオブ粉、それを用いた焼結体及びそれを用いたコンデンサ
DE60123102T2 (de) * 2000-11-06 2006-12-21 Cabot Corp., Boston Modifizierte sauerstoffreduzierte ventilmetalloxide
US6447570B1 (en) 2000-11-30 2002-09-10 Vishay Sprague, Inc. Sintered Tantalum and Niobium capacitor pellets doped with Nitrogen, and method of making the same
US20030002043A1 (en) * 2001-04-10 2003-01-02 Kla-Tencor Corporation Periodic patterns and technique to control misalignment
GB2410251B8 (en) * 2002-03-12 2018-07-25 Starck H C Gmbh Valve metal powders and process for producing them
DE10307716B4 (de) * 2002-03-12 2021-11-18 Taniobis Gmbh Ventilmetall-Pulver und Verfahren zu deren Herstellung
US7655214B2 (en) * 2003-02-26 2010-02-02 Cabot Corporation Phase formation of oxygen reduced valve metal oxides and granulation methods
US7445679B2 (en) * 2003-05-16 2008-11-04 Cabot Corporation Controlled oxygen addition for metal material
JP4773355B2 (ja) * 2003-05-19 2011-09-14 キャボット コーポレイション ニオブ酸化物及び酸素が低減したニオブ酸化物の製造方法
PT1505611E (pt) * 2003-07-22 2012-01-12 Starck H C Gmbh Método para a produção de condensadores
EP1648348B1 (fr) * 2003-07-24 2015-06-17 Tecomet Inc. Mousses non aleatoires assemblees
US20050225927A1 (en) * 2004-04-06 2005-10-13 Tagusagawa Solon Y Processes for the production of niobium oxides with controlled tantalum content and capacitors made therefrom
US20080011124A1 (en) * 2004-09-08 2008-01-17 H.C. Starck Gmbh & Co. Kg Deoxidation of Valve Metal Powders
SE527417C2 (sv) * 2004-10-07 2006-02-28 Sandvik Intellectual Property Metod för att kontrollera syrehalten i ett pulver och metod att framställa en kropp av metallpulver
DE102004049039B4 (de) * 2004-10-08 2009-05-07 H.C. Starck Gmbh Verfahren zur Herstellung feinteiliger Ventilmetallpulver
WO2006057455A1 (fr) * 2004-11-29 2006-06-01 Showa Denko K.K. Corps d’anode poreuse pour condensateur électrolytique solide, procédé de fabrication idoine et condensateur électrolytique solide
AU2006243447B2 (en) * 2005-05-05 2010-11-18 H.C. Starck Surface Technology and Ceramic Powders GmbH Method for coating a substrate surface and coated product
JP4904341B2 (ja) * 2005-05-05 2012-03-28 ハー．ツェー．スタルク ゲゼルシャフト ミット ベシュレンクテル ハフツング スパッタターゲット及びｘ線アノードを製造又は再処理するための被覆方法
US7099143B1 (en) 2005-05-24 2006-08-29 Avx Corporation Wet electrolytic capacitors
EP1915764A1 (fr) * 2005-08-19 2008-04-30 Avx Limited Condensateurs transistorises a base de polymeres et leur procede de fabrication
GB0517952D0 (en) * 2005-09-02 2005-10-12 Avx Ltd Method of forming anode bodies for solid state capacitors
US7480130B2 (en) * 2006-03-09 2009-01-20 Avx Corporation Wet electrolytic capacitor
US7511943B2 (en) * 2006-03-09 2009-03-31 Avx Corporation Wet electrolytic capacitor containing a cathode coating
US20080078268A1 (en) * 2006-10-03 2008-04-03 H.C. Starck Inc. Process for preparing metal powders having low oxygen content, powders so-produced and uses thereof
WO2008057710A2 (fr) * 2006-11-07 2008-05-15 H.C. Starck Gmbh Procédé pour recouvrir un substrat, et produit recouvert
US20080145688A1 (en) 2006-12-13 2008-06-19 H.C. Starck Inc. Method of joining tantalum clade steel structures
US8197894B2 (en) 2007-05-04 2012-06-12 H.C. Starck Gmbh Methods of forming sputtering targets
US8040660B2 (en) * 2007-07-18 2011-10-18 Cabot Corporation High voltage niobium oxides and capacitors containing same
EP2214853A4 (fr) * 2007-10-15 2013-05-22 Hi Temp Specialty Metals Inc Procédé de production de poudre de tantale au moyen de déchets en tant que matériau de source
US7760487B2 (en) * 2007-10-22 2010-07-20 Avx Corporation Doped ceramic powder for use in forming capacitor anodes
US7768773B2 (en) * 2008-01-22 2010-08-03 Avx Corporation Sintered anode pellet etched with an organic acid for use in an electrolytic capacitor
US7760488B2 (en) * 2008-01-22 2010-07-20 Avx Corporation Sintered anode pellet treated with a surfactant for use in an electrolytic capacitor
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US8043655B2 (en) * 2008-10-06 2011-10-25 H.C. Starck, Inc. Low-energy method of manufacturing bulk metallic structures with submicron grain sizes
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CN101491834B (zh) * 2009-03-05 2012-06-20 宁夏东方钽业股份有限公司 钽粉的制备方法
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USRE48439E1 (en) 2013-09-06 2021-02-16 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
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CN114888291B (zh) * 2022-05-20 2023-05-26 西北有色金属研究院 一种提高粉末冶金高钨钽合金塑性的方法
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BE510568A (fr) * 1951-04-09
GB735085A (en) * 1952-08-28 1955-08-10 Westinghouse Electric Int Co Improvements in or relating to the purification of refractory metals and alloys thereof
FR1220688A (fr) * 1958-04-24 1960-05-27 Ciba Geigy Procédé d'élaboration de niobium et de tantale pauvres en oxygène
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FR1339148A (fr) * 1962-11-08 1963-10-04 Ciba Geigy Procédé pour la réduction de pentachlorure de tantale ou de niobium dans un courant d'hydrogène et de plasma
GB1247410A (en) * 1968-05-25 1971-09-22 Metallgesellschaft Ag Process for removing oxygen from a shaped part of a heat-resisting metallic material
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DE3130392C2 (de) * 1981-07-31 1985-10-17 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur Herstellung reiner agglomerierter Ventilmetallpulver für Elektrolytkondensatoren, deren Verwendung und Verfahren zur Herstellung von Sinteranoden
DE3309891A1 (de) * 1983-03-18 1984-10-31 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur herstellung von ventilmetallanoden fuer elektrolytkondensatoren
US4508563A (en) * 1984-03-19 1985-04-02 Sprague Electric Company Reducing the oxygen content of tantalum
US4555268A (en) * 1984-12-18 1985-11-26 Cabot Corporation Method for improving handling properties of a flaked tantalum powder composition

Also Published As

Publication number Publication date
GB8724625D0 (en) 1987-11-25
JPH0236641B2 (fr) 1990-08-20
JPS63216901A (ja) 1988-09-09
GB2201427B (en) 1990-09-19
FR2611368A1 (fr) 1988-09-02
ES2006217A6 (es) 1989-04-16
GB2201427A (en) 1988-09-01
US4722756A (en) 1988-02-02
DE3737016A1 (de) 1988-09-08
DE3737016C2 (fr) 1992-04-23

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